The "Backdoor" Institute

Kristina is an 19 years exchange law student. She is about 1m65 and weights about 62 kg.

She has shoulder lenght brown hair and brown eyes. She has cute firm apple shaped breasts and a tight ass. She had made two French braids and had them pulled back around her head.

Kritina wore black shoes, white socks, a grey skirt whith a hemline somewhat under the knees, a white blouse and a blue jacket.

She did not have a lot of contact with the other students, mainly because she was ther to study and not to party. She is rather conservative but very sweet.

Although she looks innocent, Kristina has some sexual experience. She was involved in a sex scandal when she became the lover of her female professor and her husband.

She cycled into the street and set her bike against the wall, when it started to rain.
She looked at the warehouse and remembered the article she had read in the local paper. The promising neurophysiologist looked for test persons and her psychology professor had said she could earn extra points if she collaborated in a test.

She rang the bell.
 
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Kristina had noticed that the lobby was clinical clean.

She nodded as to confirm that she was Kristina and then turned around to put her bicycle to the metal bar. The minimal interiour and the clean look reminded her to atmosphere in a clinic. But then again that is exactly what she could expect. After all doctor Sommer is a neurophysiologist and the test must include some kind of medical aspect.

She returned and greeted Janelle; The idea that the test could be more physical then psychological made Kristina nervous. She opened the buttons of her jacket. Janelle smiled as she sat behind her PC. Janelle handed over a map with a list of questions.

"Here you go, before you can see the doctor, we ask all test persons to fill in this list with questions. You can sit over here.' Janelle said as she pointed at a leather couch.

Kristina sat down on the black couch and opened the map. The first questions were just standard. She got a pen and quickly answered the first questions.

What is your name?
What is your date of birth?
are you female/male?
What is your address?
What is your occupation?

Are your parents divorced?
Do you have brothers and/or sisters?

Are there any diseases in the family, if so which ones?

It was a typical medical questionaire.

Kristina continued and answered some more questions and then she turned the page. She read the next questions.

When was the first time you menstruated?
How old were you when you had your first sexual intercourse?

Kristina blushed and looked at Janelle. She typed some text on her PC.
 
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Kristina was raised rather conservative and though she was in the girls roller skating team and was used to undress before other ladies, she preferred to withdraw to the bathroom.

"Well, I prefer to use the bathroom." Kristina said to Janelle.

"Of course, it is over there." Janelle said as she pointed to a corner of the lobby.

Kristina opened the door and started to undress.

She unbuttoned her blouse and and then unbuttoned her grey skirt and unzipped it. Her skirt fell on her ankles. Kristina stepped out of it and bent over to pick it up.

As she undressed she thought about the questions. Did you had anal sex the last four months.

She removed her black shoes and her socks. That was what you call: dodging a bullet.

She did not had anal sex the last four months but she had experience with anal sex. The husband of her female lover used to slowly fuck her in her ass as his wife watched and masturbated.

She always fantazised about sex but even in her wildest dreams she could not think that she would engange in anal sex at such an early stage in her life.

Sometimes her female lover came under her belly and licked her vagina as her husband had his cock in her anus. The whole feeling of anal sex was overwhelming for Kristina.

She was breathing heavily, her head all red, her pussy spasming, her anal muscle trying to cope with the cock in her, her belly in heat and her heart beat running high.

She removed her bra and panties and put on her hospital shirt.

Her back was nude and it gave Kristina a chance to look at her tight bum. Her roller skating training had given her a tight butt.

She stepped out of the bathroom into the lobby.
 
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